Comb
Generators
model
CGO
‐
520
Page
1
of
11
(949)
459
9600
www.com
power.com
Rev.
0216
INSTRUCTION
MANUAL
For
the
Series
Models
20
MHz
step
Страница 1: ...Comb Generators model CGO 520 Page 1 of 11 949 459 9600 www com power com Rev 0216 INSTRUCTION MANUAL For the Comb Generators CGO Series Models CGO 520 20 MHz step ...
Страница 2: ...11 949 459 9600 www com power com Rev 0216 Table of Contents Product specifications 3 Important precautions and maintenance 4 Warranty information 5 Product Description 6 Controls Indicators 7 Theory 8 Application 9 Typical radiated output 11 ...
Страница 3: ...able Frequency radiated 20 MHz 4 5 GHz Internal Battery Type 6 V Rechargeable NimH Battery charger adapter specifications Input 115 230 VAC 60 50 Hz Output 6 VDC 500 mA unregulated Plug type 2 5 ID x 5 5 OD mm center pin positive Output connector type SMA f Operating temperature Range 5 C to 40 C Weight 2 lb max Circular base dimensions W x H 7 x 0 75 inches 17 7 x 1 9 cm Weight lb kg 2 lb 0 9 kg ...
Страница 4: ...es Call the factory if the battery needs replacement Send Comb Generator to authorized Com Power service center if needs repair Please visit our website at www com power com to request a return merchandise authorization number RMA before you send the unit in for service Battery care and instructions To avoid any risk of explosion Replace batteries with the size and type specified in this manual Do...
Страница 5: ...service or modify the instrument by personnel other than Com Power service representative Under no circumstances does Com Power recognize or assume liability for any loss damage or expense arising either directly or indirectly from the use or handling of this product or any inability to use this product seperately or in combination with other equipment When requesting warranty services it is recom...
Страница 6: ...g Comb Generator data taken at regularly the EMI lab can ensure that all the test equipment and accessories are operating within the expected range If any abnormality is detected it can be quickly investigated and rectified before it causes measurement errors The Comb Generators can also used for comparing two or more sites with similar setup They can also be utilized as conducted signal source fo...
Страница 7: ...easurements Do not connect the Comb Generator conducted output to a Line Impedance Stabilization Network LISN that is connected to AC power We also do not recommend connecting the Comb Generator conducted output directly to a preamplifier input Power On indicator The green power on LED is lit the Comb Generator is powered on and output is available for measurement Battery Low indicator When red ba...
Страница 8: ...on Such a pulse is not practical however the Model CGO 520 Comb Generators use this principle to get an output across a wide band The highly stable frequency output from the oscillator is used to generate an impulse with very short duration and sharp rise and fall times The shaping circuit was designed for improved stability extended frequency response and output impedance matching to 50 ohms The ...
Страница 9: ...possible causes The EUT for example may have changed due to component variation temperature operating mode wear and tear design etc The test site may be a cause due to a reflective object near the site variation of ground saturation or ambient signal presence It also could be due to malfunctioning test instrumentation By establishing simple measurement procedure similar to the one described below ...
Страница 10: ...ew days of data will establish the range of variation to be expected at a site This is generally less than 3 dB Any variation in the readings above normal variation indicates a potential problem After the daily log is established for a few days any problem is easily detected as a larger variation This procedure allows immediate detection of a major problem with the test equipment Problems Related ...
Страница 11: ...1 949 459 9600 www com power com Rev 0216 Typical radiated output These are Comb Generator radiated output at 3 meter distance with the receiving antenna height varied from 1 to 4 meters taken in an open area test site Figure 1 20 MHz step size ...
